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Individual Calculations May 2011 |
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| Stopa, Jacek Total change: 6.90 | |   |
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| 3rd Metropolitan Chess FIDE Invitational | Los Angeles, CA | USA | 2011-02-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2291 | 2451 | 7.00 | 9 | 0.65 | 10 | 6.50 | |
|  Amanov, Zhanibek | m | | 2421 | KAZ | 0.50 | 1 | -0.04 | 10 | -0.40 | |  Kavutskiy, Konstantin | | | 2170 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Kretchetov, Alexandre | f | | 2323 | RUS | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Taylor, Timothy W | m | | 2314 | USA | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Banawa, Joel | f | | 2347 | USA | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Carreto, Giovanni | c | | 2231 | MEX | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Casella, Michael | f | | 2249 | USA | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Wang, Philip Xiao | f | | 2317 | USA | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Troff, Kayden W | | | 2247 | USA | 1.00 | 1 | 0.24 | 10 | 2.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 20th Annual Eastern Class Championships | Sturbridge, Massachusetts | USA | 2011-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2515 | 2453 | 1.50 | 3 | 0.25 | 10 | 2.50 | |
| | Shabalov, Alexander | g | | 2590 | USA | 0.50 | 1 | 0.18 | 10 | 1.80 | | | Ivanov, Alexander | g | | 2540 | USA | 0.00 | 1 | -0.38 | 10 | -3.80 | | | Mandizha, Farai | f | | 2416 | ZIM | 1.00 | 1 | 0.45 | 10 | 4.50 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 18th Annual Western Class Championships | Agoura Hills, California | USA | 2011-03-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2346 | 2453 | 2.50 | 3 | 0.61 | 10 | 6.10 | |
| | Kavutskiy, Konstantin | | | 2191 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Bachmann, Axel | g | | 2530 | PAR | 0.50 | 1 | 0.11 | 10 | 1.10 | | | Taylor, Timothy W | m | | 2318 | USA | 1.00 | 1 | 0.32 | 10 | 3.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2nd Annual Philadelphia Open | Philadelphia, Pennsylvania | USA | 2011-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2237 | 2453 | 6.00 | 9 | -0.82 | 10 | -8.20 | |
| | Fikiet, Alex M | | | 2223 | USA | 0.00 | 1 | -0.79 | 10 | -7.90 | | | Sandager, Stephen | | | 2164 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Roy, Myriam | | | 2053 * | CAN | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Harmon-Vellotti, Luke | | | 2128 | USA | 0.50 | 1 | -0.37 | 10 | -3.70 | | | Kulic, Sasa | | | 2201 | CAN | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Tremblay, Rejean | | | 2234 | CAN | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Gorman, Dov | f | | 2292 | USA | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Lapshun, Yury | m | | 2438 | USA | 0.50 | 1 | -0.02 | 10 | -0.20 | | | Mulyar, Michael A | m | | 2396 | USA | 0.50 | 1 | -0.08 | 10 | -0.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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